called for each item in the grid - check if additional information needs to be saved.
Note: since this is options minus gridstack protected members using Utils.removeInternalForSave(),
this typically doesn't need to do anything. However your custom Component @Input() are now supported
using BaseWidget.serialize()
called for each item in the grid - check if additional information needs to be saved. Note: since this is options minus gridstack protected members using Utils.removeInternalForSave(), this typically doesn't need to do anything. However your custom Component @Input() are now supported using BaseWidget.serialize()